Full Fill Built-in Insulation System Continuous wall insulation system that delivers ultimate thermal performance with the added assurance of protection from wind driven rain.

> Find out more
right image

The Xi products have been developed to deliver the U-value requirements to meet Passive standards. It’s no longer just about U-values: how the system builds, how it interconnects at junctions and how it is witnessed and confirmed on site, are all equally important facets.

> Find out more
right image

Xtratherm offer an extensive range of technically enhanced rigid insulation products for commercial and industrial projects

> Find out more
right image

Tapered Roofing System
The XtraFall system provides a high performance precision solution to thermal insulation and water drainage on at roofs.

> Find out more
right image

The Xtratherm range of high performance insulation boards provides the ideal technically advanced solution for flat roof projects.

> Find out more
right image

PIR Insulation
High-performance, energy efficient, structural building system

> Find out more
right image



Developers and their design and certifcation team can rely on the expertise and professional support of the whole Xtratherm Team - it is not just about buying insulation products.

> Find out more
right image

Full Fill Built-in Insulation System

Continuous wall insulation system that delivers ultimate thermal performance
with the added assurance of protection from wind driven rain.

> Visit cavitytherm.com

High Performance rigid extruded polystryrene


PIR Insulation
Xtratherm UniSIPS is the ideal product when considering structural insulation solutions for wall, floor and roof panels. Technically advanced and thermally efficient, the load bearing panels provide a lightweight and economical solution to facilitate modern methods of construction.

Xi Academy Logo

At Xtratherm Xi Academy we understand the importance of giving our customers the best technical advice. The Xi Academy is open to everyone from Builders and Architects to Secondary Education Pupils to learn about advanced building methods, insulation and sustainability.

Xtratherm academy classroom

Superior Performance Phenolic Insulation


Drylining Walls Fixed with Adhesive Dabs

Applications:Wall / Drylining


SR/TB is a composite insulated panel of Xtratherm phenolic insulation core with a glass tissue facing bonded to 12.5mm tapered edge plasterboard for internal applications, fixed with proprietary adhesive bonding.

The glass tissue facing of SR/TB incorporates an integral vapour control
layer, which helps to reduce the risk of condensation. SR/TB is designed to
provide high levels of thermal insulation and drylining in one operation,
providing the solution of choice in newbuild and renovation. Whether building
new or upgrading, due consideration towards the energy efficiency of your
home can have many benefits, including reduced energy costs and improved
living conditions.

U-Value calculations to EN ISO: 6946
SR/TB Insulation for Drylining Walls Fixed with Adhesive Dabs

Thickness (mm)

Wall Type 50mm 60mm 70mm 80mm 90mm
300mm Clear Cavity Wall Brick/Block 0.32 0.28 0.24 0.22 0.20
215mm Hollow Block (External Render) 0.34 0.29 0.25 0.23 0.20
Cavity Wall Pumped Block & Block (Pumped Bead @ 0.033 W/mk) 0.17 0.16 0.15 0.14 0.13

Product Downloads

Product Range

Safe-R is a superior performance phenolic insulation with an enhanced fire classification. It is faced with low emissivity foil facings on both sides and has a Lambda value as Low as 0.020 W/mK.

Stay in touch?

Follow us on Social Media

Key Points

  • Integral vapour check
  • Suitable for Newbuild and Renovation
  • Responsive Insulation System
  • High levels of insulation and drylining in one fix

Xtratherm reserves the right to change this information without notice.
Xtratherm accepts no responsibility for errors or omissions on the website.

Do you have any questions?

Talk to the team who can help you with your project

Our Technical Team provides technical services throughout our customer bases in Ireland & UK. Their experience and expertise has been built through our engagement and participation with the Irish construction industry for over 30 years.

Certified Technical Knowledge.

Solutions you can trust.

Call The Technical Team:
Tel +44 (0) 371 222 1055
Tel +353 (0) 46 906 6050

BBA Cert Logo

Enquire about our products

Looking to find out more about our products? Please fill out your details below and a member of our team will contact you shortly:



We can call you back!

Just fill in the call back request form below and we will be in touch with you very shortly!